/* BeamSync Community — Dark Neo-Brutalist
   Fonts: Syne · Manrope · Space Mono (matches app tokens.css)
   Dark palette from tokens.css dark mode values */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=Manrope:wght@300;400;500;600;700&family=Space+Mono:wght@400;700&display=swap');

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root {
  --bg:       #0C1120;
  --surface:  #141E30;
  --raised:   #1C2840;
  --border:   #2D3F5E;
  --border-b: rgba(45,63,94,0.5);
  --text:     #E2E8F0;
  --muted:    #64748B;
  --primary:  #4F8EFF;
  --orange:   #FF8A00;
  --green:    #10D98A;
  --danger:   #FF5C7A;
  --sh-dark:  #08101E;
  --sh-sm:  2px 2px 0px var(--sh-dark);
  --sh-md:  4px 4px 0px var(--sh-dark);
  --sh-lg:  6px 6px 0px var(--sh-dark);
  --sh-xl:  8px 8px 0px var(--sh-dark);
  --sh-blue:  4px 4px 0px #0A2870;
  --sh-green: 4px 4px 0px #006845;
  --t: transform 120ms ease, box-shadow 120ms ease;
  --fd: 'Syne', system-ui, sans-serif;
  --fb: 'Manrope', system-ui, sans-serif;
  --fm: 'Space Mono', monospace;
}

html{scroll-behavior:smooth;overflow-x:hidden}
body{font-family:var(--fb);background:var(--bg);color:var(--text);line-height:1.65;overflow-x:hidden;-webkit-font-smoothing:antialiased;max-width:100vw}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.reveal{opacity:1!important;transform:none!important;transition:none!important}}

::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:var(--bg);border-left:2px solid var(--border)}
::-webkit-scrollbar-thumb{background:var(--border)}

h1,h2,h3,h4{font-family:var(--fd);font-weight:800;color:var(--text);line-height:1.05}
h1{font-size:clamp(2.4rem,5.5vw,4.6rem);letter-spacing:-2px}
h2{font-size:clamp(1.8rem,3.5vw,3rem);letter-spacing:-1px}
h3{font-size:1.1rem;font-weight:700}
p{color:var(--muted);font-size:1rem}
a{text-decoration:none;color:inherit}
code{font-family:var(--fm);font-size:.82em;background:rgba(79,142,255,.1);border:1px solid var(--border);padding:.1em .4em;color:var(--primary)}

.wrap{max-width:1140px;margin:0 auto;padding:0 28px}
.reveal{opacity:0;transform:translateY(22px);transition:opacity .5s ease,transform .5s ease}
.reveal.visible{opacity:1;transform:translateY(0)}

/* ── NAVBAR ── */
.navbar{position:fixed;top:0;left:0;right:0;z-index:100;background:var(--bg);border-bottom:2px solid var(--border);transition:box-shadow 150ms ease;overflow:visible}
.navbar.scrolled{box-shadow:0 4px 24px rgba(0,0,0,.4)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 32px;max-width:1280px;margin:0 auto;gap:16px}
.nav-logo{display:flex;align-items:center;gap:10px;font-family:var(--fd);font-weight:800;font-size:1.05rem;color:var(--text);cursor:pointer}
.nav-logo img{width:30px;height:30px;object-fit:contain}
.nav-links{display:flex;align-items:center;gap:8px}
.nav-links a{font-family:var(--fd);font-weight:700;font-size:.8rem;text-transform:uppercase;letter-spacing:.06em;padding:8px 16px;border:1px solid transparent;color:var(--muted);transition:var(--t)}
.nav-links a:hover{color:var(--text);border-color:var(--border);transform:translate(-1px,-1px);box-shadow:var(--sh-sm)}

/* ── DOWNLOAD BUTTON — Professional ── */
.btn-dl{
  font-family:var(--fd);font-weight:800;font-size:.82rem;text-transform:uppercase;letter-spacing:.1em;
  padding:13px 30px;
  background:var(--green);
  color:#000 !important;
  border:2px solid rgba(255,255,255,.6);
  box-shadow:0 2px 8px rgba(0,0,0,.35),0 1px 2px rgba(0,0,0,.2);
  cursor:pointer;
  display:inline-flex;align-items:center;gap:10px;
  position:relative;overflow:hidden;white-space:nowrap;
  transform:translateY(0);
  transition:transform 200ms ease-out,
             box-shadow 200ms ease-out,
             border-color 200ms ease-out,
             background 200ms ease-out;
  will-change:transform,box-shadow;
}
/* Ripple layer — revealed by JS adding .ripple child */
.btn-dl .ripple{
  position:absolute;border-radius:50%;
  background:rgba(255,255,255,.35);
  transform:scale(0);pointer-events:none;
  animation:ripple-expand 500ms ease-out forwards;
}
@keyframes ripple-expand{
  to{transform:scale(4);opacity:0}
}
/* Hover — professional lift + deeper shadow */
.btn-dl:hover{
  transform:translateY(-2px);
  background:#0de882;
  border-color:rgba(255,255,255,.9);
  box-shadow:0 6px 20px rgba(16,217,138,.28),
             0 2px 6px rgba(0,0,0,.3);
}
/* Active — press feedback */
.btn-dl:active{
  transform:translateY(1px);
  box-shadow:0 1px 4px rgba(0,0,0,.3);
  transition:transform 80ms ease-out,box-shadow 80ms ease-out;
}
/* Gentle breathing pulse on idle */
.btn-dl-pulse{animation:dl-breathe 3s ease-in-out infinite}
@keyframes dl-breathe{
  0%,100%{box-shadow:0 2px 8px rgba(0,0,0,.35),0 1px 2px rgba(0,0,0,.2),0 0 0 0 rgba(16,217,138,0)}
  50%    {box-shadow:0 2px 8px rgba(0,0,0,.35),0 1px 2px rgba(0,0,0,.2),0 0 0 8px rgba(16,217,138,.12)}
}
/* Icon: smooth downward nudge on hover (implies download) */
.btn-dl .dl-icon{
  transition:transform 200ms ease-out;
}
.btn-dl:hover .dl-icon{transform:translateY(2px)}
/* Focus ring — accessibility */
.btn-dl:focus-visible{
  outline:2px solid var(--green);
  outline-offset:3px;
}
/* Reduced motion */
@media(prefers-reduced-motion:reduce){
  .btn-dl{transition:background 150ms ease,border-color 150ms ease;transform:none!important;animation:none!important}
  .btn-dl .ripple{display:none}
}

/* ── HERO ── */
.hero{padding:130px 28px 80px;border-bottom:2px solid var(--border);position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background-image:repeating-linear-gradient(-45deg,transparent,transparent 20px,rgba(79,142,255,.03) 20px,rgba(79,142,255,.03) 22px);pointer-events:none}
.hero::after{content:'';position:absolute;top:-200px;right:-100px;width:600px;height:600px;background:radial-gradient(circle,rgba(16,217,138,.06) 0%,transparent 65%);pointer-events:none}
.hero-inner{max-width:1140px;margin:0 auto;display:grid;grid-template-columns:1fr 420px;gap:60px;align-items:center;position:relative;z-index:1}
.hero-badge{display:inline-flex;align-items:center;gap:8px;font-family:var(--fm);font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--green);border:2px solid var(--green);padding:5px 14px;box-shadow:var(--sh-green);margin-bottom:22px;background:rgba(16,217,138,.06)}
.hero-title{margin-bottom:24px}
.hero-title em{font-style:normal;background:var(--primary);color:#fff;padding:2px 8px;display:inline-block}
.hero-title span{display:inline-block;position:relative}
.hero-title span::after{content:'';position:absolute;bottom:4px;left:0;right:0;height:5px;background:var(--orange)}
.hero-sub{font-size:1.05rem;line-height:1.75;margin-bottom:36px;max-width:520px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}

/* generic buttons */
.btn-primary,.btn-secondary,.btn-outline{font-family:var(--fd);font-weight:800;text-transform:uppercase;letter-spacing:.06em;display:inline-flex;align-items:center;gap:8px;border:2px solid var(--border);cursor:pointer;transition:var(--t)}
.btn-primary{padding:12px 28px;font-size:.87rem;background:var(--orange);color:#0A0A0A;border-color:var(--text);box-shadow:var(--sh-md)}
.btn-primary:hover{transform:translate(-2px,-2px);box-shadow:var(--sh-lg)}
.btn-primary:active{transform:translate(2px,2px);box-shadow:var(--sh-sm)}
.btn-secondary{padding:12px 28px;font-size:.87rem;background:var(--surface);color:var(--text);box-shadow:var(--sh-md)}
.btn-secondary:hover{transform:translate(-2px,-2px);box-shadow:var(--sh-lg);background:var(--raised)}
.btn-outline{padding:12px 28px;font-size:.87rem;background:transparent;color:var(--text);box-shadow:var(--sh-sm)}
.btn-outline:hover{transform:translate(-2px,-2px);box-shadow:var(--sh-md);background:var(--surface)}
.btn-lg{padding:15px 34px;font-size:.95rem}

/* ── TERMINAL ── */
.terminal{background:#060D1A;border:2px solid var(--border);box-shadow:var(--sh-xl)}
.terminal-bar{display:flex;align-items:center;gap:7px;padding:10px 16px;background:#0A1428;border-bottom:1px solid var(--border)}
.dot{width:12px;height:12px;border-radius:50%}
.dot-r{background:#FF5F57}.dot-y{background:#FFBD2E}.dot-g{background:#28C840}
.terminal-title{margin-left:auto;font-family:var(--fm);font-size:.72rem;color:var(--muted)}
.terminal-body{padding:20px;display:flex;flex-direction:column;gap:8px;min-height:110px}
.terminal-line{font-family:var(--fm);font-size:.83rem;display:block}
.terminal-line.cmd{color:var(--text)}.terminal-line.cmd::before{content:'$ ';color:var(--orange)}
.terminal-line.out{color:var(--green)}
.cursor{font-family:var(--fm);font-size:.83rem;color:var(--orange);animation:blink 1s step-end infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:0}}
.term-label{display:inline-flex;align-items:center;gap:6px;margin-top:12px;font-family:var(--fm);font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);border:1px solid var(--border);padding:5px 12px;background:var(--surface);box-shadow:var(--sh-sm)}

/* ── STATS ── */
.stats-bar{border-bottom:2px solid var(--border);background:var(--surface)}
.stats-inner{max-width:1140px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr)}
.stat-item{text-align:center;padding:36px 20px;border-right:1px solid var(--border)}
.stat-item:last-child{border-right:none}
.stat-num{display:block;font-family:var(--fd);font-size:clamp(1.5rem,3vw,2.2rem);font-weight:800;color:var(--primary);margin-bottom:6px}
.stat-label{font-size:.78rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}

/* ── SECTION SHARED ── */
.section-tag{display:inline-block;font-family:var(--fm);font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:var(--green);background:rgba(16,217,138,.08);border:1px solid var(--green);padding:4px 12px;box-shadow:var(--sh-green);margin-bottom:18px}
.section-header{text-align:center;max-width:680px;margin:0 auto 56px}
.section-header h2{margin-bottom:14px}

/* ── FEATURES ── */
.features{padding:100px 28px;border-bottom:2px solid var(--border)}
.bento-grid{max-width:1140px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:2px solid var(--border);box-shadow:var(--sh-xl);
  grid-template-areas:"large large c2" "c3 c4 c5" "c6 c6 c6"}
.bento-card{background:var(--surface);padding:32px 28px;border-right:2px solid var(--border);border-bottom:2px solid var(--border);position:relative;overflow:hidden;transition:var(--t);cursor:default}
.bento-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:transparent;transition:background .2s ease}
.bento-card:hover::before{background:var(--primary)}
.bento-card:hover{background:var(--raised);transform:translate(-2px,-2px);box-shadow:var(--sh-md);z-index:1;position:relative}
#feat-offline,#feat-dd,#feat-net{border-right:none}
#feat-audio{border-bottom:none}
.bento-large{grid-column:span 2}
.bento-icon{width:48px;height:48px;background:var(--bg);border:2px solid var(--border);display:flex;align-items:center;justify-content:center;margin-bottom:18px;box-shadow:var(--sh-sm)}
.bento-card h3{margin-bottom:10px;color:var(--text)}
/* feature accent line */
.feat-tag{display:inline-block;font-family:var(--fm);font-size:.65rem;text-transform:uppercase;letter-spacing:.1em;padding:2px 8px;margin-bottom:10px;border:1px solid}
.feat-tag-blue{border-color:var(--primary);color:var(--primary);background:rgba(79,142,255,.08)}
.feat-tag-orange{border-color:var(--orange);color:var(--orange);background:rgba(255,138,0,.08)}
.feat-tag-green{border-color:var(--green);color:var(--green);background:rgba(16,217,138,.08)}
.feat-tag-red{border-color:var(--danger);color:var(--danger);background:rgba(255,92,122,.08)}
/* speed bar */
.speed-bar-track{margin-top:20px;height:6px;background:var(--bg);border:1px solid var(--border)}
.speed-fill{height:100%;width:0;background:linear-gradient(90deg,var(--primary),var(--green));transition:width 1.4s ease}
.bento-card.visible .speed-fill{width:88%}
/* sound waves */
.sound-waves{display:flex;align-items:flex-end;gap:4px;margin-top:18px;height:28px}
.wave{width:4px;background:var(--orange);animation:wave-anim 1.1s ease-in-out infinite}
.wave:nth-child(1){height:12px;animation-delay:0s}
.wave:nth-child(2){height:24px;animation-delay:.15s}
.wave:nth-child(3){height:18px;animation-delay:.3s}
.wave:nth-child(4){height:28px;animation-delay:.45s}
.wave:nth-child(5){height:14px;animation-delay:.6s}
@keyframes wave-anim{0%,100%{transform:scaleY(1)}50%{transform:scaleY(.3)}}

/* ── SCREENSHOTS CAROUSEL ── */
.screenshots{padding:100px 28px;background:var(--surface);border-bottom:2px solid var(--border)}
.carousel{position:relative;max-width:1140px;margin:0 auto;border:2px solid var(--border);box-shadow:var(--sh-xl)}
.carousel-viewport{overflow:hidden}
.carousel-track{display:flex;transition:transform .45s cubic-bezier(.4,0,.2,1)}
.carousel-slide{min-width:100%;background:var(--bg)}
.ss-img-wrap{overflow:hidden;border-bottom:2px solid var(--border);background:#060D1A;display:flex;align-items:center;justify-content:center;padding:12px;cursor:zoom-in}
.ss-img-wrap img{max-width:100%;max-height:520px;width:auto;height:auto;object-fit:contain;display:block;transition:transform .18s ease,filter .18s ease;pointer-events:none;user-select:none}
.ss-img-wrap:active img{transform:scale(.96);filter:brightness(.85)}
.ss-caption{display:flex;align-items:center;gap:12px;padding:16px 24px;font-family:var(--fd);font-weight:700;font-size:.85rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.ss-num{font-family:var(--fm);font-size:1.5rem;font-weight:700;color:var(--primary);line-height:1}
.carousel-btn{position:absolute;top:50%;transform:translateY(-60%);background:var(--surface);border:2px solid var(--border);color:var(--text);width:44px;height:44px;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:var(--sh-md);transition:var(--t);z-index:5}
.carousel-btn:hover{background:var(--raised);transform:translateY(-60%) translate(-2px,-2px);box-shadow:var(--sh-lg);color:var(--primary)}
.carousel-prev{left:-22px}
.carousel-next{right:-22px}
.carousel-dots{display:flex;justify-content:center;gap:8px;padding:14px 0 4px}
.carousel-dot{width:8px;height:8px;border-radius:0;background:var(--border);border:1px solid var(--border);cursor:pointer;transition:background .2s,width .2s,box-shadow .2s;padding:0}
.carousel-dot.active{background:var(--primary);width:24px;box-shadow:var(--sh-blue)}
@media(max-width:600px){.carousel-prev{left:-14px}.carousel-next{right:-14px}}

/* ── LIGHTBOX ── */
.lb-overlay{position:fixed;inset:0;z-index:9000;display:flex;align-items:center;justify-content:center;background:rgba(6,13,26,.92);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);opacity:0;pointer-events:none;transition:opacity .28s ease}
.lb-overlay.lb-open{opacity:1;pointer-events:all}
.lb-box{position:relative;max-width:min(1200px,94vw);max-height:92vh;display:flex;flex-direction:column;align-items:center;transform:scale(.88);transition:transform .32s cubic-bezier(.34,1.36,.64,1)}
.lb-overlay.lb-open .lb-box{transform:scale(1)}
.lb-img{max-width:100%;max-height:82vh;object-fit:contain;display:block;border:2px solid var(--border);box-shadow:0 32px 80px rgba(0,0,0,.7)}
.lb-caption{font-family:var(--fd);font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin-top:14px}
.lb-close{position:absolute;top:-16px;right:-16px;width:36px;height:36px;background:var(--raised);border:2px solid var(--border);color:var(--text);display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:var(--sh-md);transition:var(--t);z-index:1}
.lb-close:hover{color:var(--danger);border-color:var(--danger);transform:translate(-2px,-2px);box-shadow:var(--sh-lg)}
.lb-nav{position:absolute;top:50%;transform:translateY(-50%);background:var(--surface);border:2px solid var(--border);color:var(--text);width:44px;height:44px;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:var(--sh-md);transition:var(--t)}
.lb-nav:hover{background:var(--raised);color:var(--primary);transform:translateY(-50%) translate(-2px,-2px);box-shadow:var(--sh-lg)}
.lb-prev{left:-64px}.lb-next{right:-64px}
@media(max-width:700px){.lb-prev{left:-48px}.lb-next{right:-48px}}
@media(prefers-reduced-motion:reduce){.lb-overlay,.lb-box{transition:none}}

/* ── LIGHTBOX ── */
.lb-overlay{position:fixed;inset:0;z-index:9000;background:rgba(6,13,26,.88);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .22s ease-out}
.lb-overlay.lb-open{opacity:1;pointer-events:all}
.lb-panel{position:relative;width:min(1100px,96vw);background:var(--surface);border:2px solid var(--border);box-shadow:var(--sh-xl);transform:translateY(28px) scale(.96);transition:transform .32s cubic-bezier(.2,0,0,1),opacity .22s ease-out;opacity:0;display:flex;flex-direction:column}
.lb-overlay.lb-open .lb-panel{transform:translateY(0) scale(1);opacity:1}
.lb-topbar{display:flex;align-items:center;gap:12px;padding:12px 18px;border-bottom:2px solid var(--border);background:var(--raised)}
.lb-tag{font-family:var(--fm);font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:var(--green);background:rgba(16,217,138,.08);border:1px solid var(--green);padding:3px 10px;flex-shrink:0}
.lb-caption-text{font-family:var(--fd);font-weight:700;font-size:.82rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);flex:1}
.lb-close{position:absolute;top:-2px;right:-48px;width:44px;height:44px;background:var(--surface);border:2px solid var(--border);color:var(--text);display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:var(--sh-md);transition:var(--t);z-index:10;flex-shrink:0;outline:none}
.lb-close:hover{color:var(--danger);border-color:var(--danger);background:var(--raised);transform:translate(-2px,-2px);box-shadow:4px 4px 0 rgba(255,92,122,.5)}
.lb-close:active{transform:translate(1px,1px);box-shadow:none}
@media(max-width:900px){.lb-close{right:0;top:-46px}}
.lb-img-area{position:relative;display:flex;align-items:center;justify-content:center;background:#060D1A;min-height:200px;padding:0 56px}
.lb-img{max-width:100%;max-height:78vh;object-fit:contain;display:block}
.lb-nav{position:absolute;top:50%;transform:translateY(-50%);background:var(--surface);border:2px solid var(--border);color:var(--text);width:44px;height:44px;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:var(--sh-md);transition:var(--t);z-index:2}
.lb-nav:hover{background:var(--raised);color:var(--primary);border-color:var(--primary);transform:translateY(-50%) translate(-2px,-2px);box-shadow:var(--sh-lg)}
.lb-prev{left:6px}.lb-next{right:6px}
.lb-dots{display:flex;justify-content:center;gap:8px;padding:14px}
.lb-dot{width:8px;height:8px;border-radius:0;background:var(--border);border:1px solid var(--border);cursor:pointer;transition:background .2s,width .2s,box-shadow .2s;padding:0}
.lb-dot.active{background:var(--primary);width:24px;box-shadow:var(--sh-blue)}
/* thumbnail zoom hint */
.ss-img-wrap{cursor:zoom-in}
@media(prefers-reduced-motion:reduce){.lb-overlay,.lb-panel{transition:none}}

/* ── HOW IT WORKS ── */
.how-it-works{padding:100px 28px;background:var(--bg);border-bottom:2px solid var(--border)}
.steps{max-width:1140px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:2px solid var(--border);box-shadow:var(--sh-xl)}
.step{padding:40px 32px;border-right:2px solid var(--border)}
.step:last-child{border-right:none}
.step-num{font-family:var(--fd);font-size:3.5rem;font-weight:800;color:var(--primary);line-height:1;margin-bottom:18px;display:block;opacity:.9}
.step h3{color:var(--text);margin-bottom:10px}

/* ── ARCHITECTURE ── */
.architecture{padding:100px 28px;border-bottom:2px solid var(--border)}
.arch-wrap{max-width:900px;margin:0 auto}
/* diagram */
.arch-diagram{border:2px solid var(--border);box-shadow:var(--sh-xl);overflow:hidden}
.arch-header-bar{background:var(--surface);border-bottom:2px solid var(--border);padding:12px 20px;display:flex;align-items:center;gap:8px;font-family:var(--fm);font-size:.72rem;color:var(--muted);text-transform:uppercase;letter-spacing:.1em}
.arch-header-dot{width:8px;height:8px;border-radius:50%}
.arch-layer{background:var(--surface);padding:22px 28px;border-bottom:2px solid var(--border);display:flex;align-items:flex-start;gap:20px;transition:var(--t);position:relative}
.arch-layer:last-child{border-bottom:none}
.arch-layer:hover{background:var(--raised);transform:translateX(4px)}
.arch-layer-num{font-family:var(--fm);font-size:1.6rem;font-weight:700;color:var(--border);line-height:1;min-width:36px;padding-top:2px}
.arch-layer:hover .arch-layer-num{color:var(--primary)}
.arch-layer-body{flex:1}
.arch-label{font-family:var(--fm);font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin-bottom:8px}
.arch-layer:hover .arch-label{color:var(--primary)}
.arch-techs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:8px}
.tech-pill{font-family:var(--fm);font-size:.7rem;font-weight:700;padding:3px 10px;border:1px solid;box-shadow:var(--sh-sm)}
.tech-pill.go   {border-color:#00ADD8;color:#00ADD8;background:rgba(0,173,216,.06)}
.tech-pill.svelte{border-color:#FF3E00;color:#FF3E00;background:rgba(255,62,0,.06)}
.tech-pill.vite {border-color:#646CFF;color:#646CFF;background:rgba(100,108,255,.06)}
.tech-pill.wails{border-color:#CC0000;color:#CC0000;background:rgba(204,0,0,.06)}
.arch-layer p{font-size:.85rem}
/* connector arrow */
.arch-connector{background:var(--bg);border-left:2px solid var(--border);border-right:2px solid var(--border);padding:6px 28px;display:flex;align-items:center;gap:10px}
.arch-connector-line{flex:1;height:1px;background:var(--border)}
.arch-connector-label{font-family:var(--fm);font-size:.65rem;color:var(--muted);white-space:nowrap;text-transform:uppercase;letter-spacing:.08em}
/* graph stats */
.arch-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:2px solid var(--border);border-top:none}
.arch-stat{padding:16px 20px;border-right:2px solid var(--border);text-align:center}
.arch-stat:last-child{border-right:none}
.arch-stat-num{display:block;font-family:var(--fd);font-size:1.4rem;font-weight:800;color:var(--primary)}
.arch-stat-label{font-family:var(--fm);font-size:.65rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}

/* ── INSTALL CTA ── */
.install-cta{padding:100px 28px;background:var(--surface);border-bottom:2px solid var(--border);text-align:center}
.install-options{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-bottom:36px;padding:0 4px}
.install-card{text-align:left;background:var(--bg);border:2px solid var(--border);padding:20px 24px;min-width:min(320px,100%);box-shadow:var(--sh-md);transition:var(--t);width:100%;max-width:480px}
.install-card:hover{transform:translate(-2px,-2px);box-shadow:var(--sh-lg);border-color:var(--primary)}
.install-card-label{display:flex;align-items:center;gap:8px;font-family:var(--fm);font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:12px}
.code-block{display:flex;align-items:center;justify-content:space-between;background:#060D1A;border:1px solid var(--border);padding:10px 14px;gap:10px}
.code-block code{background:none;border:none;padding:0;font-size:.82rem;color:var(--green);white-space:pre-wrap;word-break:break-all;overflow:hidden}
.copy-btn{background:none;border:none;cursor:pointer;color:var(--muted);padding:4px;display:flex;align-items:center;flex-shrink:0;transition:color 150ms ease}
.copy-btn:hover{color:var(--green)}
.cta-buttons{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ── FOOTER ── */
.footer{background:#060D1A;border-top:2px solid var(--border);padding:64px 28px 32px}
.footer-inner{max-width:1140px;margin:0 auto;display:grid;grid-template-columns:1fr 2fr;gap:60px;padding-bottom:48px;border-bottom:1px solid var(--border)}
.footer .nav-logo{color:var(--text);margin-bottom:16px}
.footer-brand p{font-size:.88rem;color:var(--muted);line-height:1.8}
.footer-links{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.footer-col h4{font-family:var(--fm);font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--text);margin-bottom:16px;padding-bottom:10px;border-bottom:1px solid var(--border)}
.footer-col a{display:block;font-size:.88rem;color:var(--muted);margin-bottom:10px;transition:color 150ms ease;cursor:pointer}
.footer-col a:hover{color:var(--green)}
.footer-bottom{max-width:1140px;margin:28px auto 0;display:flex;justify-content:space-between;font-family:var(--fm);font-size:.72rem;color:var(--muted)}

/* ── HAMBURGER ── */
.nav-hamburger{display:none;flex-direction:column;justify-content:center;gap:5px;background:none;border:2px solid var(--border);padding:8px 10px;cursor:pointer;box-shadow:var(--sh-sm);transition:var(--t)}
.nav-hamburger span{display:block;width:20px;height:2px;background:var(--text);transition:transform .25s ease,opacity .25s ease}
.nav-hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-hamburger.open span:nth-child(2){opacity:0;transform:scaleX(0)}
.nav-hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.nav-hamburger:hover{border-color:var(--primary);box-shadow:var(--sh-md)}

/* ── RESPONSIVE 900px ── */
@media(max-width:900px){
  .nav-hamburger{display:flex}
  .nav-links{display:none;flex-direction:column;gap:0;position:fixed;top:auto;left:0;right:0;background:var(--bg);border-top:2px solid var(--border);border-bottom:2px solid var(--border);box-shadow:0 8px 24px rgba(0,0,0,.4);z-index:98}
  .nav-links.open{display:flex}
  .nav-links a{font-family:var(--fd);font-weight:700;font-size:.85rem;text-transform:uppercase;letter-spacing:.06em;padding:14px 28px;border-bottom:1px solid var(--border);color:var(--muted);transition:color .15s ease,background .15s ease;display:block}
  .nav-links a:last-child{border-bottom:none}
  .nav-links a:hover{color:var(--text);background:var(--surface)}
  .nav-links .btn-dl{margin:16px 28px;width:calc(100% - 56px);justify-content:center;border:2px solid var(--text)}
  .hero-inner{grid-template-columns:1fr}
  .hero-right{display:none}
  .stats-inner{grid-template-columns:repeat(2,1fr)}
  .stat-item:nth-child(2n){border-right:none}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--border)}
  .bento-grid{grid-template-columns:1fr;grid-template-areas:unset}
  .bento-card,.bento-large{grid-area:unset!important;grid-column:span 1;border-right:none!important}
  .steps{grid-template-columns:1fr}
  .step{border-right:none!important;border-bottom:2px solid var(--border)}
  .step:last-child{border-bottom:none}
  .arch-stats{grid-template-columns:repeat(3,1fr)}
  .footer-inner{grid-template-columns:1fr;gap:36px}
  .footer-links{grid-template-columns:repeat(2,1fr)}
}

/* ── RESPONSIVE 540px ── */
@media(max-width:540px){
  .nav-inner{padding:12px 16px}
  .features,.how-it-works,.architecture,.screenshots,.install-cta,.stats-bar{padding-left:16px;padding-right:16px}
  .wrap{padding:0 16px}
  .bento-grid,.steps,.arch-diagram,.arch-stats,.ss-track,.carousel{width:100%;min-width:0}
  .install-options{flex-direction:column;align-items:stretch;padding:0 16px}
  .install-card{min-width:0;width:100%;max-width:100%;box-sizing:border-box}
  .arch-layer{padding:16px}
  h2{font-size:clamp(1.4rem,7vw,2.2rem)}
  h3{font-size:1rem}
  .section-header{margin-bottom:32px}
  .hero{padding:100px 16px 50px}
  .hero-title{font-size:clamp(2rem,9vw,3rem)}
  .stats-inner{grid-template-columns:1fr}
  .stat-item{border-right:none!important;border-bottom:1px solid var(--border)}
  .stat-item:last-child{border-bottom:none}
  .arch-stats{grid-template-columns:1fr}
  .arch-stat{border-right:none;border-bottom:1px solid var(--border)}
  .arch-stat:last-child{border-bottom:none}
  .footer-links{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:6px;text-align:center}
  .cta-buttons{flex-direction:column;align-items:stretch;padding:0 16px}
  .cta-buttons .btn-dl,.cta-buttons .btn-outline{width:100%;justify-content:center;text-align:center}
  .lb-close{right:0;top:-46px}
  .carousel-prev{left:-12px}
  .carousel-next{right:-12px}
  .code-block{overflow-x:hidden}
}

/* ── CURSOR — Professional trailing dot ── */
#cursor-dot{
  pointer-events:none;position:fixed;z-index:99999;
  width:7px;height:7px;
  border-radius:50%;
  background:var(--green);
  transform:translate(-50%,-50%);
  opacity:0;top:0;left:0;
  transition:width 200ms ease,height 200ms ease,
             background 200ms ease,opacity .3s ease;
}
#cursor-ring{
  pointer-events:none;position:fixed;z-index:99998;
  width:28px;height:28px;
  border-radius:50%;
  border:1.5px solid rgba(16,217,138,.5);
  transform:translate(-50%,-50%);
  opacity:0;top:0;left:0;
  /* Natural lag: ring follows mouse at its own speed via JS lerp */
  transition:width 200ms ease,height 200ms ease,
             border-color 200ms ease,opacity .3s ease;
}
body:not(.touch) #cursor-dot,
body:not(.touch) #cursor-ring{opacity:1}
/* Expand ring subtly when hovering download buttons */
body.btn-hovered #cursor-ring{
  width:44px;height:44px;
  border-color:rgba(16,217,138,.85);
  border-width:1.5px;
}
body.btn-hovered #cursor-dot{
  width:5px;height:5px;
}
@media(prefers-reduced-motion:reduce){
  #cursor-dot,#cursor-ring{display:none!important}
}